StoneChen's Competition History
| Date | Contest | Rank | Performance | New Rating | Diff | |
|---|---|---|---|---|---|---|
| Polaris.AI Programming Contest 2026（AtCoder Beginner Contest 457） | 4013 | 916 |  72 |
- | ||
| Tokio Marine & Nichido Fire Insurance Programming Contest 2026 (AtCoder Beginner Contest 459) | 4931 | - | - | - | ||
| AtCoder Beginner Contest 461 | 3380 | 1132 |  303 |
+231 | ||
| CodeQUEEN 2026 -qual- (AtCoder Beginner Contest 462) | 6763 | - | - | - | ||
| AtCoder Beginner Contest 463 | 10601 | 54 |  208 |
-95 | ||
| Japanese Student Championship 2026 -Advance- Qualification (AtCoder Beginner Contest 464) | 5541 | - | - | - | ||
| AtCoder Beginner Contest 465 | 1651 | 1464 |  543 |
+335 |